> commercial RDBMS comes packaged with a lot more than just the db engine It may be strength of psql and not weakness, they are focused on one specific niche,

> commercial RDBMS comes packaged with a lot more than just the db engine It may be strength of psql and not weakness, they are focused on one specific niche, which actually covers 95% of business use cases, and trying to do it very well. For all other cases, there are other products as well. Most of the data science world talks R and SQL now days, and not mdx.